New Scientist Space - Cosmology

An object from another star has been seen entering the solar system at high speed, and is expected to whip around the sun in the coming months

An object thought to have come from another star has been seen entering the solar system at high speed, and is expected to whip around the sun in the coming months

Pictures of a distant supernova remnant show two concentric rings, providing clear evidence that exploding white dwarf stars go boom twice in the blink of an eye

Bones found at the site of an ancient fish-processing plant were used to genetically identify the species that went into a fish sauce, often known as garum, eaten throughout the Roman Empire

It is possible to make a material emit more radiation than it absorbs, violating the laws of physics in a way that could make energy-harvesting devices more efficient

Operators lost contact with the MethaneSAT satellite on 20 June, a significant blow to efforts to track – and stop – methane emissions

The arrow of time can teach us more about how the universe began – and how it will end, says quantum columnist Karmela Padavic-Callaghan

You may think you know static electricity, but its true nature has long eluded scientists. We’ve now made a huge leap towards finally figuring it out

People with Chiari malformations have a skull shape similar to Neanderthals, suggesting that the condition may be caused by DNA inherited from archaic humans

Antarctic sea ice extent has fallen dramatically in recent years – the effects include accelerated ocean warming, faster loss of inland ice sheets and severe impacts on wildlife

Micrometeorites are thought to shower down on planets throughout the universe, so the discovery that they help protocells form could tell us something about the chances of life elsewhere

From Austin Taylor to Nadia Afifi, there is lots to look forward to in the sci-fi out this month - including a novel which might be our culture editor Alison Flood's pick of the year so far

Eggs and embryos from people with polycystic ovary syndrome have altered patterns of so-called epigenetic tags, which could explain how the condition is inherited

AI models change their medical recommendations when people ask them questions that include colourful language, typos, odd formatting and even gender-neutral pronouns

Researchers have documented orcas seemingly gifting rays, seals and fish to scientists and divers, which could suggest they have theory of mind and engage in altruism – even across species

Researchers have documented orcas seemingly gifting rays, seals and fish to scientists and divers, which could suggest they have theory of mind and engage in altruism – even across species

A long-lasting formulation of an antiviral drug greatly reduced people’s risk of a symptomatic flu infection in a trial, and should even be effective against new strains

Over tens of thousands of years, waves of Homo sapiens set out across Europe and Asia, only for their societies and cultures to mysteriously vanish. At last, ancient DNA is revealing why

People with PCOS who struggle to conceive tend to have lower levels of a gut microbe that has been linked to endometrial function

A flexible fabric called X-Wear could replace some parts of medical scanners, which would make taking X-rays and CT scans far more comfortable and convenient